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Harish - Harish Sr .Net Developer

developersoft786@gmail.com

Location: Mclean, Virginia, USA

Relocation: YES

Visa: GC

Expertise Brief: Senior .NET Developer with 12+ years of experience delivering scalable, secure, and cloud-native enterprise applications across Azure, AWS, and GCP environments. Proven expertise in full-stack development, microservices architecture, and DevSecOps workflows across finance, eCommerce, and enterprise domains. Expertise in backend development using C#, .NET Core, ASP.NET Core, MVC, and Web API, applying asynchronous programming, SOLID principles, and design patterns such as Dependency Injection, Factory, and Repository for performance-optimized solutions. Designed microservices and distributed systems using .NET Core, Kafka, Azure API Management, RabbitMQ, Mass Transit, and Azure Service Bus, applying Hexagonal Architecture and CQRS principles. Proficient in frontend technologies including Angular 16, ReactJS, TypeScript, and JavaScript, with strong focus on WCAG accessibility and responsive UI using CSS Flexbox/Grid. Skilled in building serverless, event-driven applications using Azure Functions, AWS Lambda, and GCP Cloud Functions, enabling real-time integrations and scalable automation. Hands-on experience in containerization and orchestration using Docker, Kubernetes (AKS/EKS), Helm Charts, and Istio Service Mesh for managing resilient, secure deployments. Developed infrastructure-as-code and automated CI/CD pipelines using Terraform, Azure DevOps, GitLab, and Jenkins, implementing Blue-Green and Canary deployments. Expert in relational and NoSQL database systems including SQL Server, PostgreSQL, and MongoDB, with ORM expertise using Entity Framework Core and ADO.NET. Implemented enterprise security using OAuth2, JWT, Identity Server, MFA, and secure coding practices, ensuring compliance with PCI-DSS, SOC 2, and GDPR standards. Delivered observability using ELK Stack, Serilog, Grafana, Application Insights, NLog, and OpenTelemetry for real-time diagnostics and production health monitoring. Familiar with test-driven development and QA automation using NUnit, Jest, Selenium, Moq, SonarQube, and ReSharper for maintaining code quality and regression safety. Integrated REST, SOAP, and WCF APIs, processing structured and unstructured data with JSON and XML formats across service boundaries. Applied cloud cost optimization and FinOps practices using tools like Azure Advisor and AWS Trusted Advisor to control resource utilization and improve efficiency. Experienced in API governance, versioning, throttling, and lifecycle management via Azure API Management, Apigee, and AWS API Gateway. Adept at leading cross-functional teams, mentoring developers, and communicating effectively with technical and business stakeholders to ensure successful project outcomes. Known for strong problem-solving skills, architectural foresight, and a continuous learning mindset in dynamic Agile environments. Contributed to Agile development using Scrum and Kanban, managing sprints, backlogs, and releases via JIRA, ServiceNow, and Confluence. Led code reviews, mentored junior developers, and facilitated architectural discussions to drive continuous improvement, collaboration, and innovation. Delivered solutions in banking, digital payments, and retail analytics, utilizing Crystal Reports, Power BI, and ArcGIS for business intelligence and data visualization. Skills: Backend C#, .NET Core, ASP.NET Core, MVC, Web API, LINQ, Generics, Async/Await, Design Patterns Frontend Angular (up to v16), ReactJS, TypeScript, JavaScript, Redux, NgRx, CSS Flexbox/Grid Microservices & Messaging Kafka, RabbitMQ, MassTransit, Azure Service Bus, Hexagonal Architecture, CQRS Cloud Platforms Azure, AWS, GCP Serverless Azure Functions, AWS Lambda, GCP Cloud Functions CI/CD & DevOps Terraform, Azure DevOps, GitLab, Jenkins, GitHub, Git, JIRA, ServiceNow Containers & Orchestration Docker, Kubernetes (AKS, EKS), Helm Charts, Istio Security & Compliance OAuth2, JWT, Identity Server, MFA, PCI-DSS, SOC2, GDPR, XSS Protection, CSP, HIPAA Databases SQL Server, PostgreSQL, MongoDB, NuGet, EF Core, ADO.NET, SSIS Logging & Monitoring Serilog, NLog, ELK Stack, Grafana, App Insights, OpenTelemetry, Log4Net Testing & QA NUnit, Jest, Selenium, Moq, Postman, SonarQube, ReSharper, StyleCop API & Integration REST, SOAP, WCF, Swagger, Apigee, XML/JSON Reporting & Visualization Crystal Reports, Power BI, ArcGIS Documentation & Agile Confluence, JIRA, Wiki, Agile (Scrum, Kanban) Professional Experience: Client: Trustmark National Bank, MS Sr .NET Developer Jan 2022 Till Now Responsibilities: Executed end-to-end Software Development Life Cycle (SDLC) using Scrum, Kanban, and Atlassian JIRA, ensuring iterative delivery and transparent stakeholder alignment. Designed scalable backend services using C#, .NET Core, LINQ, Generics, Dependency Injection, and Middleware, driving performance and maintainability. Developed modular microservices using .NET Core and Hexagonal Architecture, integrating with Azure API Management and Consul for service discovery, routing, and resilience. Built mobile-ready backend APIs and UI features for Android and iOS, supporting consistent cross-platform behavior through native feature integration. Migrated legacy mobile components from Xamarin to .NET MAUI, enabling TXMAP iOS and Android support with enhanced maintainability and unified UI. Constructed accessible frontend applications using Angular 16, NgRx, JavaScript, TypeScript, CSS Flexbox/Grid, ensuring WCAG compliance and responsive design. Managed Agile sprints, epics, and stories using Atlassian JIRA, ensuring backlog grooming, sprint velocity tracking, and alignment with product roadmaps. Modeled and optimized data access layers using Entity Framework Core and MS SQL Server, implementing lazy/eager/explicit loading and package management via NuGet. Applied strategic caching using Redis, in-memory caching, and output caching to improve system responsiveness in latency-sensitive modules. Secured APIs using Identity Server (OAuth2/OpenID), JWT, Content Security Policy (CSP), Multi-Factor Authentication (MFA), and automated scans with OWASP ZAP. Built asynchronous, fault-tolerant workflows using Azure Service Bus and Polly (Bulkhead, Circuit Breaker), supporting distributed financial operations. Automated infrastructure provisioning and CI/CD using Terraform, Azure DevOps, Azure Functions, incorporating Blue-Green and Canary deployments. Containerized services using Docker, orchestrated with Kubernetes (AKS/EKS) and Helm, with service mesh security via Istio. Extended secure, dynamic CI/CD pipelines through Azure DevOps, enabling rollback, testing automation, and zero-downtime deployments. Maintained code quality and security compliance (SOX, GLBA) via secure coding, audit trails, and access controls. Mentored developers and led architecture/code review sessions using Microsoft Visual Studio to drive excellence and onboarding. Enabled real-time diagnostics using ELK Stack, Serilog, and OpenTelemetry for centralized observability and tracing. Secured secrets and certificates with Azure Key Vault, enforcing encryption at rest, access controls, and auto-rotation policies. Controlled application configuration via Azure App Configuration, supporting A/B testing, feature toggles, and rollback strategies. Delivered technical documentation via Confluence, covering architecture, API contracts, and coding standards for internal reuse. Ensured compliance and delivery alignment for State of Texas Applications, following state-mandated coding, deployment, and security practices. Client: HCA Healthcare, TN Sr .NET Developer July 2020 - Dec 2021 Responsibilities: Engineered high-performance backend services for healthcare applications using ASP.NET Core, applying Dependency Injection, Middleware, and Thread Pool Design Pattern to support scalable patient data workflows and ensure system responsiveness Delivered interactive, user-centric patient portals using React 17 and Redux, optimizing state management and enhancing user experience across healthcare engagement touchpoints. Developed secure and interoperable healthcare RESTful APIs, leveraging XML and JSON for structured data exchange, secured via JWT Token Authentication, and governed using AWS API Gateway Implemented asynchronous, event-driven communication in clinical systems through Amazon SQS, enabling real-time processing of patient alerts, medical notifications, and system events. Designed and deployed compliant, cloud-native infrastructure on AWS, automating provisioning of EC2, VPC, Subnets, Lambda, IAM, S3, ECS, and Elastic Beanstalk using Terraform, ensuring high availability and HIPAA alignment. Configured custom dashboards, filters, and reports in Atlassian JIRA to enhance team productivity, monitor KPIs, and identify project bottlenecks. Containerized application workloads with Docker, orchestrated resilient healthcare deployments through Amazon EKS, Helm Charts, and Kubernetes Operators for fault-tolerant operations. Built automated CI/CD pipelines for healthcare applications using Jenkins, integrated unit testing with Moq, and enforced code quality through SonarQube and ReSharper. Administered hybrid database environments using PostgreSQL and MongoDB, efficiently managing large volumes of patient records, EHR data, and clinical analytics, with dependency control via NuGet. Enforced rigorous application security standards using Data Protection, XSS Prevention, Content Security Policy (CSP), and aligned all implementations with sensitive healthcare data compliance requirements. Integrated Log4Net for centralized logging and observability in clinical systems, improving incident traceability, root cause analysis, and operational transparency. Adopted robust version control workflows using Git and GitHub, establishing structured branching, peer review processes, and collaborative development best practices. Streamlined Agile delivery processes for healthcare initiatives using ServiceNow, facilitating sprint planning, issue resolution, and efficient team coordination. Utilized Microsoft Visual Studio to design, develop, debug, and test enterprise-grade .NET applications, integrating seamlessly with version control, CI/CD, and testing tools for streamlined full-stack development. Documented end-to-end technical artifacts in Confluence, including system designs, clinical data workflows, security policies, and compliance procedures to ensure knowledge continuity. Architected distributed healthcare microservices using .NET Core, leveraging Kubernetes Operators for seamless orchestration and sustained availability of critical medical services. Client: Regions Financial Corporation, AL Sr .NET Developer April 2018 Jun 2020 Responsibilities: Led full SDLC execution using Scrum, Kanban, and Atlassian JIRA, ensuring iterative delivery and compliance. Engineered scalable backend services with C#, .NET Core, LINQ, Dependency Injection, Middleware, and Thread Pool Design Pattern. Architected microservices using .NET Core, integrated with Azure API Management, Consul, and orchestrated via Kubernetes Operators. Developed secure, interoperable RESTful APIs using JWT, XML, JSON, and governed by AWS API Gateway. Built patient portals using React 17, Redux, TypeScript, CSS Flexbox/Grid, and aligned with WCAG standards. Migrated Xamarin apps to .NET MAUI, delivering modernized Android/iOS support for State of Texas Applications. Coordinated cross-functional development efforts through Atlassian JIRA, aligning QA, DevOps, and Business Analyst teams for synchronized delivery cycles. Automated AWS infrastructure with Terraform, deploying EC2, Lambda, VPC, ECS, and Elastic Beanstalk. Deployed containerized workloads using Docker, Amazon EKS, Helm, and secured traffic via Istio. Implemented async messaging with Amazon SQS and resilient patterns via Polly (Bulkhead, Circuit Breaker). Managed data workflows using Entity Framework Core, MS SQL Server, MongoDB, and versioned dependencies with NuGet. Built CI/CD pipelines with Jenkins, integrated Moq for testing, and enforced quality using SonarQube, ReSharper. Applied Data Protection, CSP, XSS Prevention, and HIPAA security standards across healthcare systems. Centralized logging and observability with Log4Net, ELK Stack, Serilog, and OpenTelemetry. Secured keys and credentials with Azure Key Vault, managed configurations via Azure App Configuration. Utilized Microsoft Visual Studio for development, debugging, and cross-platform engineering. Documented architecture and workflows in Confluence, aligning delivery with state and HIPAA policies. Delivered TXMAP features using Agile methods in ServiceNow and tracked sprints via Atlassian JIRA. Developed and maintained enterprise applications using .NET, ensuring compatibility with web and microservice platforms. Used Microsoft Visual Studio as the primary IDE for backend development, testing, and performance tuning. Managed Agile delivery, sprint tracking, and backlog workflows with Atlassian JIRA, integrating it with CI/CD processes and compliance milestones. Client: Cox Communications, AZ Sr .NET Developer Jan 2016- March 2018 Responsibilities: Led full SDLC execution using Scrum, Kanban, and Atlassian JIRA, ensuring iterative delivery and compliance. Engineered scalable backend services with C#, .NET Core, LINQ, Dependency Injection, Middleware, and Thread Pool Design Pattern. Architected microservices using .NET Core, integrated with Azure API Management, Consul, and orchestrated via Kubernetes Operators. Developed secure, interoperable RESTful APIs using JWT, XML, JSON, and governed by AWS API Gateway. Built patient portals using React 17, Redux, TypeScript, CSS Flexbox/Grid, and aligned with WCAG standards. Migrated Xamarin apps to .NET MAUI, delivering modernized Android/iOS support for State of Texas Applications. Automated AWS infrastructure with Terraform, deploying EC2, Lambda, VPC, ECS, and Elastic Beanstalk. Deployed containerized workloads using Docker, Amazon EKS, Helm, and secured traffic via Istio. Implemented async messaging with Amazon SQS and resilient patterns via Polly (Bulkhead, Circuit Breaker). Managed data workflows using Entity Framework Core, MS SQL Server, MongoDB, and versioned dependencies with NuGet. Built CI/CD pipelines with Jenkins, integrated Moq for testing, and enforced quality using SonarQube, ReSharper. Applied Data Protection, CSP, XSS Prevention, and HIPAA security standards across healthcare systems. Centralized logging and observability with Log4Net, ELK Stack, Serilog, and OpenTelemetry. Secured keys and credentials with Azure Key Vault, managed configurations via Azure App Configuration. Utilized Microsoft Visual Studio for development, debugging, and cross-platform engineering. Documented architecture and workflows in Confluence, aligning delivery with state and HIPAA policies. Delivered TXMAP features using Agile methods in ServiceNow and tracked sprints via Atlassian JIRA. Client: Target Corporation, MN .NET Developer Dec 2012 - Dec 2015 Responsibilities: Developed modular and reusable software components using C#, applying core Object-Oriented Programming (OOP) principles such as Polymorphism and Encapsulation to support maintainable retail systems including order processing and product catalog modules. Created dynamic, data-driven web interfaces using JavaScript and jQuery, incorporating AJAX for real-time updates to support retail use cases like product availability checks and customer-facing promotions. Designed and secured retail integration services using WCF and SOAP APIs, enabling standardized communication between POS systems, inventory databases, and central retail platforms via structured XML data exchanges. Managed backend database operations using SQL, executing stored procedures and transactional queries to maintain retail data including product SKUs, pricing, promotions, and purchase histories, with data access via ADO.NET components (SqlConnection, SqlCommand, SqlDataReader). Participated in full SDLC phases requirement analysis, design, development, testing, deployment, and support within Agile/Scrum teams, accelerating delivery of new retail capabilities across e-commerce and store systems. Ensured software quality and stability through automated unit testing using NUnit, supporting regression-free deployments across store management systems and digital commerce applications. Optimized WCF service performance through service throttling and configuration tuning, reducing latency in inventory lookups and POS transactions by 30%. Implemented role-based access control (RBAC) and secured API endpoints via transport-level security and token-based authentication, ensuring PCI-DSS compliance for retail transactions. Supported build and deployment automation using MSBuild and custom batch scripts, improving release consistency for multiple retail environments. Maintained source-controlled retail application codebases using Subversion (SVN), applying versioning and branching strategies to enable collaborative development and controlled feature rollouts. Authored comprehensive documentation using Microsoft Word and Wiki Systems, detailing system behavior, integration points, and retail process flows for effective cross-team collaboration and onboarding. Delivered operational dashboards and sales reports via Crystal Reports, supporting retail business units with analytics on store performance, inventory levels, and customer buying trends. Leveraged early versions of Visual Studio as the primary IDE for building and debugging .NET-based retail solutions, including back-office systems and in-store applications supporting merchandising and customer loyalty programs. Mentored junior developers on .NET best practices, code reviews, and debugging techniques, improving team efficiency and code quality. Contributed to the stability and scalability of Target s internal retail platforms, supporting thousands of daily store transactions and enhancing customer engagement across digital and physical touchpoints. Scholarly Pursuits: Credentials & Honors: Microsoft Certified Azure Solutions Architect. Microsoft Certified Azure Developer Associate. 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